415425121 has 2 divisors, whose sum is σ = 415425122. Its totient is φ = 415425120.

The previous prime is 415425119. The next prime is 415425133. The reversal of 415425121 is 121524514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372914721 + 42510400 = 19311^2 + 6520^2 .

It is a cyclic number.

It is not a de Polignac number, because 415425121 - 2¹ = 415425119 is a prime.

Together with 415425119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (415425721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207712560 + 207712561.

It is an arithmetic number, because the mean of its divisors is an integer number (207712561).

Almost surely, 2^415425121 is an apocalyptic number.

It is an amenable number.

415425121 is a deficient number, since it is larger than the sum of its proper divisors (1).

415425121 is an equidigital number, since it uses as much as digits as its factorization.

415425121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1600, while the sum is 25.

The square root of 415425121 is about 20381.9803012367. The cubic root of 415425121 is about 746.1582038865.

Adding to 415425121 its reverse (121524514), we get a palindrome (536949635).

The spelling of 415425121 in words is "four hundred fifteen million, four hundred twenty-five thousand, one hundred twenty-one".